#! /usr/bin/env python
"""
simply_summa editor

Copyright (C) 2012-2013 Christian T. Steigies <steigies@physik.uni-kiel.de>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""

__author__ = "Christian T. Steigies <steigies@physik.uni-kiel.de>"
__license__ = "GPL License"

## --------------------------------------------------------------------------
def simply_summa(kmax, Nt):

    m = 0
    NS = 0
    
    for i in range(0, kmax):
        if Nt[i] != 0:
            NS += Nt[i]
            m += 1

    if m != 0:
        NS = kmax*NS/m
        
    return (NS)
